Stoppage time in soccer, also known as injury time, is the additional time added to the end of each half of a soccer match to make up for time lost due to stoppages in play. These stoppages can include injuries, substitutions, time-wasting, and other delays. The amount of stoppage time is determined by the referee and is typically displayed on a board held up by the fourth official. This extra time allows for a fair and accurate representation of the total time played in a match. **

Isotretinoin causes growth stoppage by affecting the function of the sebaceous glands, which are responsible for producing oil in the skin. By reducing the activity of these glands, isotretinoin decreases the production of oil, which can lead to a decrease in the growth of acne-causing bacteria. Additionally, isotretinoin can also affect the production and function of skin cells, leading to a reduction in the formation of acne lesions. Overall, these effects on oil production and skin cell turnover contribute to the improvement of acne and the stoppage of its growth. **

Stoppage time is added to football matches to compensate for the time lost due to stoppages in play, such as injuries, substitutions, and time-wasting tactics. It ensures that the full 90 minutes of playing time is completed, and gives teams a fair chance to make up for any lost time during the match. Stoppage time is determined by the referee based on the amount of time lost during the game, and it allows for a more accurate representation of the actual playing time. **

In soccer, the maximum amount of stoppage time that can be given is typically 5 minutes per half. This additional time is added by the referee to compensate for time lost due to injuries, substitutions, and other stoppages during the game. However, in some cases, such as in high-stakes matches or when there have been significant delays, the referee may choose to add more than 5 minutes of stoppage time. **

An extra-long stoppage time is not considered normal in professional football. The standard stoppage time is typically around 3-5 minutes, and it is added to the end of each half to make up for time lost due to injuries, substitutions, and other delays. However, in rare cases, such as when there are significant injuries or other major disruptions, the referee may add more stoppage time to ensure that the game is played for the full 90 minutes. Overall, extra-long stoppage time is not the norm in professional football and is only used in exceptional circumstances. **

The longest stoppage time in the 2nd Bundesliga occurred in a match between FC St. Pauli and SV Darmstadt 98 on September 15, 2019. The match had a stoppage time of 13 minutes due to a serious injury to a player, which required medical attention and stretcher assistance. This extended stoppage time is rare in football matches, but it was necessary to ensure the player's well-being. **

Stoppage time and extra time are often confused, but they refer to different things in soccer. Stoppage time, also known as injury time, is the additional time added to the end of each half to make up for time lost due to substitutions, injuries, or other delays. Extra time, on the other hand, is the additional period of play added to a match that is tied at the end of regulation time, typically in knockout competitions like the World Cup or Champions League. In extra time, the teams continue to play in two halves of 15 minutes each to determine a winner if the match is still tied after regulation time. **

Stoppage time is counted from the 90th minute onwards by the referee, who determines how much time should be added based on the amount of time lost due to substitutions, injuries, and other stoppages during the second half. The fourth official typically signals the amount of stoppage time to be added at the end of the 90 minutes. The referee then adds this time to the 90th minute, and the match continues until the stoppage time is completed. **